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26531134000 = 245371895081
BaseRepresentation
bin11000101101011000…
…001111101000110000
32112111000000020210121
4120231120033220300
5413313432242000
620104354140024
71626315626620
oct305530175060
975430006717
1026531134000
1110285151728
125185281614
13266a809977
1413d9872880
15a5431bb1a
hex62d60fa30

26531134000 has 80 divisors (see below), whose sum is σ = 73316932416. Its totient is φ = 9096384000.

The previous prime is 26531133971. The next prime is 26531134057. The reversal of 26531134000 is 43113562.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 933541 + ... + 961540.

Almost surely, 226531134000 is an apocalyptic number.

26531134000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26531134000 is an abundant number, since it is smaller than the sum of its proper divisors (46785798416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26531134000 is a wasteful number, since it uses less digits than its factorization.

26531134000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895111 (or 1895095 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 26531134000 its reverse (43113562), we get a palindrome (26574247562).

The spelling of 26531134000 in words is "twenty-six billion, five hundred thirty-one million, one hundred thirty-four thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 125 140 175 200 250 280 350 400 500 560 700 875 1000 1400 1750 2000 2800 3500 7000 14000 1895081 3790162 7580324 9475405 13265567 15160648 18950810 26531134 30321296 37901620 47377025 53062268 66327835 75803240 94754050 106124536 132655670 151606480 189508100 212249072 236885125 265311340 331639175 379016200 473770250 530622680 663278350 758032400 947540500 1061245360 1326556700 1658195875 1895081000 2653113400 3316391750 3790162000 5306226800 6632783500 13265567000 26531134000